Gupta, Vijay, and Rani Yadav. “Better Approximation by Stancu Beta Operators in Compact Interval”. Rev. Anal. Numér. Théor. Approx. 40, no. 2 (August 1, 2011): 149–155. Accessed November 23, 2024. https://ictp.acad.ro/jnaat/journal/article/view/2011-vol40-no2-art5.